So that, in these cases, the other Ungulata _must_ have taken to leaf eating or have starved, and thus must have had any accidental long-necked varieties favoured and preserved exactly as the long-necked varieties of the giraffe are supposed to have been favoured and preserved.

In the _Anthropoidea_ alone of nonaquatic mammals the olfactory regions undergo an absolute (and not only relative, as in the _Carnivora_ and _Ungulata_) dwindling, which is equally shared by the human brain, in common with those of the other

The 'impulsiveness' is the galloping or leaping movement which is characteristic of most Mammals when moving at their utmost speed, as seen, for example, in horses, deer, antelopes, dogs, wolves, and other Ungulata and Carnivora.